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I am using Jasny Bootstrap for input masking in my application got stuck at one point.

I have a text box where i want to apply masking(only enter numbers not less then 1 and not greater then 1111) but in my case if I can type less then 4 digits its not accepted. Any help ?

<input class="form-control" id="txtEIN" type="text" data-mask="9999" />
Arnold Daniels
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Sherry
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1 Answers1

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Any characters after "?" are optional

<input class="form-control" id="txtEIN" type="text" data-mask="9?999" />

jsfiddle

Arnold Daniels
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